Prevention of the erosion of farm lands by terracing
By: by C.E. Ramser
Series: Bulletin / United States Department of Agriculture -- no. 512; Bulletin of the U.S. Department of Agriculture -- no. 512.
Publisher: U.S. Dept. of Agriculture
Published: 1917
Place of publication: Washington, D.C
Language: eng
Number of pages: 40
Subjects: Soil conservation; Terracing
Notes: Caption title.

"April 5, 1917."

"Professional paper."